Dyfyniad APA

Chaves S., E., & Vásquez, A. (1991). Thinning tests in Bombacopsis quinatum (Jacq.) Plantations in the Nicoya Peninsula, Costa Rica.

Dyfyniad Arddull Chicago

Chaves S., Eladio, y Alberto Vásquez. Thinning Tests in Bombacopsis Quinatum (Jacq.) Plantations in the Nicoya Peninsula, Costa Rica. 1991.

Dyfyniad MLA

Chaves S., Eladio, y Alberto Vásquez. Thinning Tests in Bombacopsis Quinatum (Jacq.) Plantations in the Nicoya Peninsula, Costa Rica. 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.